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Sunspot region AR13843

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/09/29 8 60 CAO S07E15
2024/09/30 8 40 CAI S08E01
2024/10/01 12 110 DAI S07W12
2024/10/02 17 180 DAI S08W25
2024/10/03 19 250 EHI S06W43
2024/10/04 9 290 EKO S07W52
2024/10/05 7 130 DSO S09W68
2024/10/06 3 120 DSO S10W82
CM
32

The top 5 solar flares from sunspot region 13843

Start Maximum End
1M6.72024/10/0320:0920:2820:40
2M1.02024/10/0114:4114:5214:56
3C8.02024/10/0117:4617:5317:57
4C4.22024/09/3008:1008:1608:20
5C3.92024/10/0106:5307:0007:02
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AR4436 75CMEs From AR4436 7Current Farside Activity 476AR 4432 25Upper atmosphere phenomena Red sprites and Blue jets 48
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/05/10M5.7
Last geomagnetic storm2026/05/05Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
May 2026112.3 +33
Last 30 days92.5 -8.1

This day in history*

Solar flares
12024X3.98
22022X1.51
32012M8.25
42024M5.97
52026M5.7
DstG
12024-351G4
21992-288G4
31981-99G3
41993-91G2
52003-84G3
*since 1994

Aurora on this day in history

Discover more observations in our archive!

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